Explorers throughout history have searched for the legendary fountain of youth. And while the elusive fountain has yet to be found, certain places across the world have emerged as centres where people live substantially longer than the worldwide average (around 71 years), and each has its own secret source of vitality.

Amazon.com Inc (AMZN.O) is seeking to partner with U.S. venue owners to sell event tickets, four sources have told Reuters, a move that could loosen Ticketmaster's powerful grip on the lucrative ticketing business.

In the heart of Bucharest on the pavement outside a tall apartment building a group of young women smoke, talk and laugh. It is an unremarkable scene. Except that in the bright morning sunlight, their heavy makeup, sky-high heels and shiny, revealing clothes contrast with the sensible, summer dress of passers-by.